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expansion是什么意思

2024-01-02 19:03:17

expansion

美[ɪkspænʃn] 英[ɪkspænʃn]

n. 膨胀；扩展；扩充

近义词：growth，development，extension，enlargement，increase，openingout，accession，width，addition，breadth，elaboration，contraction，

详细释义

n.(名词)

膨胀，膨胀物
扩张，扩展，扩大，扩建
扩大物，扩张物，扩大部分
张开，伸展，展开
发展
广袤，辽阔
详述，阐述

双解释义

n.(名词)

[U]扩大,扩张,扩展,膨胀 action of expanding; state of being expanded
[C]扩张物,膨胀物 sth which has been expanded

英英释义

Noun

the act of increasing (something) in size or volume or quantity or scope
a function expressed as a sum or product of terms;
"the expansion of (a+b)^2 is a^2 + 2ab + b^2"
a discussion that provides additional information
adding information or detail

组词搭配

形容词+～

military expansion军事扩张
political expansion政治扩张
territorial expansion领土扩张

名词+～

arms expansion军备扩充

～+名词

expansion joints伸缩接头

介词+～

rate of expansion膨胀率

～+介词

expansion of arms and war preparation扩军备战
expansion of factory工厂扩建
expansion of the currency通货膨胀
expansion of trade贸易的发展
expansion of vocabulary词汇量增长

例句

用作名词(n.)

Metals undergo expansion when heated.金属加热时会膨胀。
The thermostat is based on the fact that different metals have different coefficients of expansion.恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
His economic policies paved the way for industrial expansion.他的经济政策为工业的扩展铺平了道路。
The time has come for the firm to consolidate after several years of rapid expansion.公司经过几年的迅速发展之後，该整顿一下了。
This book is an expansion of the play he wrote before.这本书是他以前写的剧本的扩充。

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